@inproceedings{ICPR-2014-FradiD,
	author        = "Hajer Fradi and Jean-Luc Dugelay",
	booktitle     = "{Proceedings of the 22nd International Conference on Pattern Recognition}",
	doi           = "10.1109/ICPR.2014.705",
	isbn          = "978-1-4799-5208-3",
	pages         = "4116--4121",
	publisher     = "{IEEE}",
	title         = "{Sparse Feature Tracking for Crowd Change Detection and Event Recognition}",
	year          = 2014,
}